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• Cloaked Archive Wiki

  16 mai 2011, par Multimedia Mike — General

  Google’s Chrome browser has made me phenomenally lazy. I don’t even attempt to type proper, complete URLs into the address bar anymore. I just type something vaguely related to the address and let the search engine take over. I saw something weird when I used this method to visit Archive Team’s site :

  
  
  

  There’s greater detail when you elect to view more results from the site :

  
  
  

  As the administrator of a MediaWiki installation like the one that archiveteam.org runs on, I was a little worried that they might have a spam problem. However, clicking through to any of those out-of-place pages does not indicate anything related to pharmaceuticals. Viewing source also reveals nothing amiss.

  I quickly deduced that this is a textbook example of website cloaking. This is when a website reports different content to a search engine than it reports to normal web browsers (humans, presumably). General pseudocode :

  PLAIN TEXT

  C :

  1. if (web_request.user_agent_string == CRAWLER_USER_AGENT)
  2.  return cloaked_data ;
  3. else
  4.  return real_data ;

  You can verify this for yourself using the wget command line utility :

  <br />
$ wget --quiet --user-agent="<strong>Mozilla/5.0</strong>" \<br />
 http://www.archiveteam.org/index.php?title=Geocities -O - | grep \&lt;title\&gt;<br />
&lt;title&gt;GeoCities - Archiveteam&lt;/title&gt;

  $ wget —quiet —user-agent="Googlebot/2.1"
  http://www.archiveteam.org/index.php?title=Geocities -O - | grep \<title\>
  <title>Cheap xanax | Online Drug Store, Big Discounts</title>
  

  I guess the little web prank worked because the phaux-pharma stuff got indexed. It makes we wonder if there’s a MediaWiki plugin that does this automatically.

  For extra fun, here’s a site called the CloakingDetector which purports to be able to detect whether a page employs cloaking. This is just one humble observer’s opinion, but I don’t think the site works too well :
  
  

  
  
  

• How to play entire youtube playlist on discord.py bot with youtube-dl

  25 novembre 2020, par bork

  I'm trying to make a discord music bot. I'm using youtube-dl to retrieve the info and ffmpeg to play the audio out. My bot can successfully queue and play regular videos but when it comes to playing the entire playlist, it doesn't work.

  &#xA;

  This is my code for playing playlists :

  &#xA;

              if 'entries' in info:
                for i in info['entries']:
                    URL = i['formats'][0]['url']     
                    player = FFmpegPCMAudio(URL, **FFMPEG_OPTIONS)
                    queue.append(player)
                    source = queue.pop(0)
                    voice.play(player, after = lambda e: play_next(ctx, source))            
                    await ctx.send('playing song')


  &#xA;

  This downloads all the videos in the playlist but only plays the first one then shows this error :&#xA;discord.errors.ClientException: Already playing audio.

  &#xA;

• Is "begin" param dead in Youtube's *.c.youtube.com/videoplayback ?

  23 janvier 2013, par Minime

  I tested Youtube video download with begin param using ytdl, and realized that it's not working properly. Below is an URL with begin param. (It won't work on your side because it's session-IP address based.)

  http://r4---sn-o097znee.c.youtube.com/videoplayback?ratebypass=yes&cp=U0hUTVNOT19JTENONF9LSFNIOmtjaWozaFd5Vnhl&newshard=yes&source=youtube&ipbits=8&fexp=916600%2C906072%2C923114%2C914093%2C916626%2C920704%2C912806%2C922403%2C922405%2C929901%2C913605%2C925710%2C929104%2C929110%2C908493%2C920201%2C913302%2C919009%2C911116%2C926403%2C910221%2C901451&id=58dafac107cd7cae&key=yt1&mt=1358307193&gcr=us&ms=au&itag=46&upn=efQT2cDue5M&ip=xxxx&sparams=cp%2Cgcr%2Cid%2Cip%2Cipbits%2Citag%2Cratebypass%2Csource%2Cupn%2Cexpire&expire=1358331742&sver=3&mv=m&signature=C957313FEC2AC174F72CEFE52BF663ABAC8D0E4B.27F8485A36BE654CA25D3CA75A927D443523CA68&begin=12000

  I traced Youtube site by myself to see if there are any recent changes on their black boxed
  API. And I found that begin param is no longer put in videoplayback, but put in user_watch as below.

  http://www.youtube.com/user_watch?video_id=-YFiHW59ASs&ptk=StyleHaul&referrer=None&t=vjVQa1PpcFPiDK6v9s-rWrDn8gNv0QvpjyCIjiAgsm0=&asv=3&fmt=34&cpn=BOOMP-Bzbv1jikj9&el=detailpage&plid=AATTaqGSIR9CQ-MJ&begin=70000

  Its response is

  <?xml version="1.0" encoding="utf-8"?>

  And videoplayback only has range param, which indicate byte range where to pull. However, I couldn't figure out exact mechanism how new begin param works.

  http://r8---sn-p5q7yne6.c.youtube.com/videoplayback?algorithm=throttle-factor&burst=40&cp=U0hUTVNSVl9IT0NONF9LTFpGOlY5MU5RYVYtWHFw&cpn=BOOMP-Bzbv1jikj9&expire=1358378535&factor=1.25&fexp=919361%2C910207%2C916612%2C913112%2C912806%2C922403%2C922405%2C929901%2C913605%2C925710%2C929104%2C929110%2C908493%2C920201%2C913302%2C919009%2C911116%2C910221%2C901451&gcr=us&id=f981621d6e7d012b&ip=xxxx&ipbits=8&itag=34&keepalive=yes&key=yt1&ms=au&mt=1358354777&mv=m&newshard=yes&ratebypass=yes&signature=AA38C7074D8FA9DA44D01D9BB3675C78D05B9794.66D67C5AB111D8FB9EC3C8A141BBB11D9D70545D&source=youtube&sparams=algorithm%2Cburst%2Ccp%2Cfactor%2Cgcr%2Cid%2Cip%2Cipbits%2Citag%2Csource%2Cupn%2Cexpire&sver=3&upn=aLby9GtO0sU&range=3563520-5345279

  Can anyone explain how to pull a video starting from specific position(msec) in new API ?